id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
212	replace foolscap.test.common.ShouldFailMixin.shouldFail with twisted.trial.unittest.TestCase.failUnlessFailure ?	Zooko		The foolscap shouldFail thing can require substrings, so maybe we need to use twisted.trial.unittest.TestCase.failUnlessSubstring too.	defect	new	major	undecided	unknown	0.6.4